题目

Read the following passage. Summarize the mainidea and the main point(s) of the passage in no more than 60words. Use your ownwords as far as possible.Blowing a Few Tops Ever stopped to consider the upside of volcanic eruptions? It's not all deaths, destruction and hot lava—scientists have a plan to cool the planet by simulating one. It would probably work, but it could have devastating consequence, and there is nothing to stop any country or company from deploying the technology. Solar geo-engineering(气候工程) involves simulating an erupting volcano by spraying aerosols (气溶胶) into毛.泽东说，“我们将不但有一个强大的陆军，而且有一个强大的空军和一个强大的海军。”陆军、空军、海军及战略导弹部队建立的先后顺序是A.陆军、海军、空军、战略导弹部队 B.海军、陆军、空军、战略导弹部队C.陆军、海军、战略导弹部队、空军 D.陆军、空军、海军、战略导弹部队